wday              374 maint/gnulib/lib/nstrftime.c iso_week_days (int yday, int wday)
wday              379 maint/gnulib/lib/nstrftime.c           - (yday - wday + ISO_WEEK1_WDAY + big_enough_multiple_of_7) % 7
wday              207 maint/gnulib/lib/strptime.c   int wday = (-473
wday              214 maint/gnulib/lib/strptime.c   tm->tm_wday = ((wday % 7) + 7) % 7;